got another 7.3
My 96 has been sitting for over a month due to a really strange thumping noise. It started off as a slight thump, and has progressed to an all out "hammer hitting a sheet of steel" thump. It starts off slow, and progressively gets faster as speed increases, and only makes the thump when in gear and I let out on the clutch, as soon as I push the clutch in, the thump stops. I'm tired of driving the 2wd Chevy back-up truck and wanna get my big truck fixed, so any advise would be GREATLY appreciated.